How far is Island Lake from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Island Lake (Island Lake Airport) is 845 miles / 1360 kilometers / 734 nautical miles.

Distance from Rockford to Island Lake

There are several ways to calculate the distance from Rockford to Island Lake. Here are two standard methods:

Vincenty's formula (applied above)

• 845.216 miles
• 1360.243 kilometers
• 734.473 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 845.020 miles
• 1359.929 kilometers
• 734.303 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Rockford to Island Lake?

The estimated flight time from Chicago Rockford International Airport to Island Lake Airport is 2 hours and 6 minutes.

What is the time difference between Rockford and Island Lake?

There is no time difference between Rockford and Island Lake.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Island Lake Airport (YIV)

On average, flying from Rockford to Island Lake generates about 139 kg of CO2 per passenger, and 139 kilograms equals 306 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Island Lake

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Island Lake Airport (YIV).

Airport information

Origin	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W

Destination	Island Lake Airport
City:	Island Lake
Country:	Canada
IATA Code:	YIV
ICAO Code:	CYIV
Coordinates:	53°51′25″N, 94°39′12″W